Home / 3,708.30-5,117.01-2,215.88

Finding the Fourth Proportional to 3,708.30, 5,117.01 and 2,215.88

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Solution

The fourth proportional to 3,708.30, 5,117.01 and 2,215.88 is: 3,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.30 : 5,117.01 = 2,215.88 : x
  2. Step 2: Convert to fraction form
    3,708.30/5,117.01 = 2,215.88/x
  3. Step 3: Cross multiply
    3,708.30x = 5,117.01 × 2,215.88
  4. Step 4: Simplify right side
    3,708.30x = 11,338,654.53
  5. Step 5: Solve for x
    x = 11,338,654.53/3,708.30
  6. Step 6: Final answer
    x = 3,057.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.